Question | Answer |
A scientific explanation of how or why something occurs in the natural world | theory |
A scientific description of the behavior of something in the natural world | scientific |
The body of information needed to develop a theory | empirical evidence |
Convert 300g to kg | .3kg |
convert 5000mL to L | 5L |
Layer of the Earth that is hottest and most dense | inner core |
Layer of the Earth that is a hot metal liquid | outer core |
Outermost layer of the Earth, like the skin of an apple | crust |
The layers that make up the lithosphere are | crust and outer mantle |
Which is thinner, continental or oceanic crust? | oceanic |
Which is less dense, continental or oceanic crust? | continental |
Which property of Earth results from movement of molten metal in the outer core? | magnetism |
In which direction do liquid and gas molecules go as the heat up? | they move upward |
What happens to the density of molecules when they cool down? | increase |
Which process powers the movement of tectonic plates? | convection |
Which type of plate boundary results in mid ocean ridges? | divergent |
Which type of plate boundary results in earthquakes? | transform |
Which type of boundary results in mountain building? | convergent |
A divergent boundary is also known as what type of zone? | rifting |
At a subduction zone, which plate will subduct? | the more dense one |
What evidence did Wegener have to support the theory of continental drift | fossil distribution, climate change, puzzle pieces, rock layers |
What evidence supports the theory of seafloor spreading? | alternating magnetism in rocks, age of rocks, pillow rocks |
Which type of rock is classified based on mineral size? | sedimentary |
Which type of rock is classified based on pattern? | metamorphic |
Which type of rock is classified based on where it is formed? | igneous |
Which type of igneous rock forms inside the earth? | intrusive igneous |
Which type metamorphic rock has parallel bands? | foliated |
Which type of sedimentary rock is formed from the remains of once living organisms? | organic |
Which type of rock is formed by the process of lithification? | sedimentary |
Which process causes any rock type to turn into magma? | melting |
Which process causes any rock type to turn into sediment? | weathering and erosion |
Which process compacts and cements sediment into rock? | lithificaiton |
Name the principle that describes the relative ages of rocks | Principle of Superposition |
According to the principle that describes the relative ages of rocks, where is the oldes rock located | in the lowest layer |
What does absolute age of a rock measure? | number of years since formation |
What does relative age of a rock measure? | age compared only to other rocks |
Different forms of an atom are called _____________ | isotopes |
Define ½ life | number of years it takes for one half of the parent isotope to decay into daughter material |
Scientists study the molecular properties of a rock to determine the ___________ age | absolute |
Sequence the stages of mitosis | prophase, metaphase, anaphase, telophase |
Different forms of a gene are called | alleles |
A capital letter represents a ___________ allele | dominant |
A lower case letter represents a _________________ allele | recessive |
WW is which kind of genotype? | homozygous dominant |
ww is which kind of genotype? | homozygous recessive |
Tt is which kind of genotype? | heterozygous |
A person has a widow's peak, what are the possible genotypes? | WW or Ww |
The sex chromosomes for males are | XY |
The sex chromosomes for females are | XX |
The genotypic ratio for the offspring of two parents who are both heterozygous for a trait is | 1 homozygous dominant:2heterozygous:1 homozygous recessive |
How many cells result from mitosis? | 2 |
How many cells result from meiosis | 4 |
What is the genotypic ratio for the offspring of two parents who are both heterozygous for a trait? | 1 homozygous dominant:2heterozygous:1 homozygous recessive |
What is the phenotypic ratio for the offspring of two parents who are both heterozygous for a trait? | 3 dominant:1 recessive |
How many cell divisions occur in meiosis? | 2 |
Mitosis results in which type of reproduction? | asexual |
Meiosis results in which type of reproductin? | sexual |
The functions of mitosis are ________________ | growth, repair, replacement |
The function of meiosis is _________________ | make gametes |
A normal human has _________ chromosomes in all body cells | 46 |
The _________________ is the basic unit of inheritance | gene |
All of an organism's genetic material | genome |
Which type of cells can develop into any other type of cell in the body | stem cells |
Name the type of biotechnology that slows down the ripening of fruit and vegetables in order to preserve them during transportation | genetically modified crops |
Name the type of biotechnology that allows parents to have their pbaby tested for the diesease, PKU | genetic screening |
Name the type of biotechnology used by scientists to create a goat that produces spider's silk in its milk | transgenic animals |
name the type of biotechnology that can be used to treat diseases | gene therapy |
name the type of biotechnolgy used to create Dolly the sheep | cloning |
The area of science that questions whether something is right or wrong | ethics |
in which type of biotechnology can viruses be used to “deliver” DNA | gene therapy |
Explain what happens to the amount of available energy as you move from primary producer to quaternary consumer | it decreases |
identify the trophic level of plants | producer |
What is the most common energy source on Earth | Sun |
Name the symbiotic relationship in which both species benefit | mutualism |
An herbivore is categorized in which trophic level? | primary consumer |
Name the symbiotic relationship in which one species benefits and the other is not effected | commensalism |
Name the symbiotic relationship in which one species benfits and the other is harmed parasitism | parasitism |
An animal that is eaten by another animal on a higher trophic level | prey |
Which type of symbiotic relationship exists when bacteria causes an infection | parasitism |
The organism that a parasite feeds on is called a | host |
Hibernation is what type of adaptation | physiological |
functions of adaptations | protection, movement, feeding, attack, to suit their habitat |
Adaptations that appear externally | structural |
Adaptations that develop as a result of an organism's interactions with its environment | behavioral |
Sharp teeth are what type of adaptation? | structural |
Being nocturnal is what type of adaptations | behavioral |
Camouflage is what type of adaptation | structural |
The scientist who developed the theory of inheritance of acquired characteristics | Lamarcke |
The scientist who developed the theory of evolution by natural selection | Darwin |
Which type of structures develop from convergent evolution | analogous |
Which type of structures develop from divergent evolution | divergent |
Where does the most recent event appear on a geologic time scale | top |
An animal that copies another more dangerous animal is using | mimicry |
An animal whose color blends in with its surroundings | concealing coloration |
An animal that looks like an object in the environment | disguise |
An animal that has a dark back and light belly uses which type of camouflage | countershading |
What does the number of differences in DNA between two species tell scientists | when the species branched from an ancestor |
How does biodiversity effect natural selection | Increased biodiversity = better chance of survival |
Scientists believe that whales evolved from what type of animal | terrestrial mammal |
What evidence do scientists have in support of whale evolution | DNA similarity,transitional fossils, embryo development |